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Advances in our understanding of the estrous cycle and applications for improving targeted reproductive management in livestock.
Domest Anim Endocrinol
January 2025
USDA, ARS, U.S. Meat Animal Research Center, Clay Center, NE, USA.
The scientific discipline of endocrinology has been invaluable to our understanding of the estrous cycle. In the second half of the twentieth century the development of immunoassay technologies provided a rapid and sensitive method to quantify circulating concentrations of reproductive hormones and relate them to stage of the estrous cycle and physiological status of the animal. Ovarian ultrasonography provided the ability to track the growth and regression of ovarian structures within the same animal across the estrous cycle in real time and, in combination with hormonal profiling, accurately identify mechanisms regulating the estrous cycle and early pregnancy.
View Article and Find Full Text PDFExploration of the metabolomic mechanisms of postmenopausal hypertension induced by low estrogen state.
Elife
January 2025
Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, China.
Estrogen significantly impacts women's health, and postmenopausal hypertension is a common issue characterized by blood pressure fluctuations. Current control strategies for this condition are limited in efficacy, necessitating further research into the underlying mechanisms. Although metabolomics has been applied to study various diseases, its use in understanding postmenopausal hypertension is scarce.
View Article and Find Full Text PDF[A Review of progresses in research on delayed resistance to EGFR-TKI by Traditional Chinese medicine via inhibiting cancer stem cells properties].
Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi
January 2025
Department of Integrated Traditional Chinese and Western Medicine, Shandong First Medical University Affiliated Cancer Hospital, Jinan 250117, China. *Corresponding author, E-mail:
It has been popular and challenging to undertake researches on the delay of acquired resistance of epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKI). As key cells for tumor initiation, cancer stem cells (CSC) play an important role in the process of resistance to EGFR-TKI. Although preliminary studies found that traditional Chinese medicine (TCM) could inhibit CSC properties and delay EGFR-TKI resistance, the specific molecular mechanism remains unclear.
View Article and Find Full Text PDFRole of resistin in the porcine uterus: effects on endometrial steroidogenesis.
Reprod Fertil Dev
January 2025
Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland.
Context The adipose tissue produces adipokines - hormones essential to many biological functions, including reproduction. Aims We hypothesised that resistin, one of the adipokines, is present in the blood plasma, uterine luminal flushings (ULF) and uterus of pigs during the oestrous cycle and early pregnancy, and that resistin influences uterine steroidogenesis. Methods This study aimed to determine the expression of resistin in the porcine endometrium and myometrium during the cycle and pregnancy by quantitative real-time polymerase chain reaction and western blot (WB).
View Article and Find Full Text PDFAdvancing Immunoassay Precision: A Novel Preanalytical Method for Enhancing Thyroglobulin Measurement in the Presence of Tg Antibodies.
Int J Mol Sci
December 2024
Institute for the Application of Nuclear Energy INEP, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia.
Thyroglobulin (Tg) is a reliable marker for detecting recurrence in differentiated thyroid cancer (DTC) patients, but frequently occurring Tg antibodies (TgAbs) can hinder accurate measurement. We aimed to develop a preanalytical protocol for precise Tg detection in TgAb presence using the immunoradiometric assay (IRMA) platform. This study involved forty-five patients who underwent IRMA Tg and radioimmunoassay (RIA) TgAb measurements, including two patients monitored for recurrence and one with confirmed recurrence.
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